Preheat oven to 350°F. Spray an 8” square pan with cooking spray.
In a bowl, combine graham cracker crumbs, Splenda Sweetener, and butter, mixing well. Firmly press mixture evenly in bottom of prepared pan. Bake 5 minutes. Remove from oven and let cool.
To make the filling:
In a bowl using an electric mixer, beat cream cheese on medium speed until smooth. Gradually add Splenda Sweetener, beating until blended.
Add eggs one at a time, beating well after each addition. Add sour cream and vanilla extract, beating just until blended.
Fold in blueberries. Pour mixture into prepared pan.
Bake for 30–35 minutes, or until set. Remove from oven and cool on a wire rack for 30 minutes. Cover and refrigerate 2 hours.
In a small saucepan, combine apricot preserves and water; cook over medium heat, stirring constantly until jam melts.
Spread over filling. Let glaze set before cutting into bars.